source: trunk/yao/share/antlr-2.7.7/lib/cpp/antlr/CommonASTWithHiddenTokens.hpp @ 1

#ifndef INC_CommonASTWithHiddenTokens_hpp__
#define INC_CommonASTWithHiddenTokens_hpp__

/* ANTLR Translator Generator
 * Project led by Terence Parr at http://www.jGuru.com
 * Software rights: http://www.antlr.org/license.html
 *
 * $Id: //depot/code/org.antlr/release/antlr-2.7.7/lib/cpp/antlr/CommonASTWithHiddenTokens.hpp#2 $
 */

#include <antlr/config.hpp>
#include <antlr/CommonAST.hpp>

#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
namespace antlr {
#endif

/** A CommonAST whose initialization copies hidden token
 *  information from the Token used to create a node.
 */
class ANTLR_API CommonASTWithHiddenTokens : public CommonAST {
public:
        CommonASTWithHiddenTokens();
        virtual ~CommonASTWithHiddenTokens();
        virtual const char* typeName( void ) const
        {
                return CommonASTWithHiddenTokens::TYPE_NAME;
        }
        /// Clone this AST node.
        virtual RefAST clone( void ) const;

        // Borland C++ builder seems to need the decl's of the first two...
        virtual void initialize(int t,const ANTLR_USE_NAMESPACE(std)string& txt);
        virtual void initialize(RefAST t);
        virtual void initialize(RefToken t);

        virtual RefToken getHiddenAfter() const
        {
                return hiddenAfter;
        }

        virtual RefToken getHiddenBefore() const
        {
                return hiddenBefore;
        }

        static RefAST factory();

        static const char* const TYPE_NAME;
protected:
        RefToken hiddenBefore,hiddenAfter; // references to hidden tokens
};

typedef ASTRefCount<CommonASTWithHiddenTokens> RefCommonASTWithHiddenTokens;

#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
}
#endif

#endif //INC_CommonASTWithHiddenTokens_hpp__